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What is a chronic lung disease that includes chronic bronchitis and emphysema?
- A. Chronic Obstructive Pulmonary Disease (COPD)
- B. Pneumonia
- C. Asthma
- D. Tuberculosis
Correct Answer: A
Rationale: The correct answer is A: Chronic Obstructive Pulmonary Disease (COPD). COPD is a chronic lung disease characterized by chronic bronchitis and emphysema. Chronic bronchitis involves inflammation of the bronchial tubes, leading to excessive mucus production. Emphysema is the destruction of lung tissue, resulting in difficulty breathing. Pneumonia (B) is an acute infection of the lungs. Asthma (C) is a chronic condition characterized by airway inflammation and constriction. Tuberculosis (D) is an infectious disease caused by Mycobacterium tuberculosis affecting the lungs. Therefore, the correct answer is A as it specifically encompasses chronic bronchitis and emphysema, distinguishing it from the other options.
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Which procedure is used to remove excess fluid or air from the pleural space, helping to relieve pressure on the lungs?
- A. Thoracentesis
- B. Bronchoscopy
- C. Chest X-ray
- D. Arterial blood gas (ABG)
Correct Answer: A
Rationale: Thoracentesis is the correct procedure for removing excess fluid or air from the pleural space. It involves inserting a needle through the chest wall to drain the fluid or air, relieving pressure on the lungs. Bronchoscopy is used to visualize the airways, not remove fluid or air. Chest X-ray is a diagnostic tool for assessing the lungs but does not remove fluid or air. Arterial blood gas (ABG) is a test to assess oxygen and carbon dioxide levels in the blood, not a procedure to remove fluid or air from the pleural space.
What is the condition where the blood flow through the coronary arteries is reduced or blocked, leading to chest pain or heart attack?
- A. Coronary artery disease
- B. Atherosclerosis
- C. Pulmonary embolism
- D. Pulmonary hypertension
Correct Answer: A
Rationale: The correct answer is A: Coronary artery disease. Coronary artery disease is the condition where there is reduced blood flow or blockage in the coronary arteries supplying blood to the heart muscle. This can lead to chest pain (angina) or a heart attack. Atherosclerosis is a buildup of plaque in the arteries, which is a major cause of coronary artery disease. Pulmonary embolism is a blockage in the arteries in the lungs, not the coronary arteries supplying the heart. Pulmonary hypertension is high blood pressure in the arteries of the lungs, not related to the coronary arteries. Therefore, the correct answer is A as it directly relates to the specific condition described in the question.
A patient admitted to the hospital for evaluation of chest pain has no abnormal serum cardiac markers 4 hours after the onset of pain. What noninvasive diagnostic test can be used to differentiate angina from other types of chest pain?
- A. 12-lead ECG
- B. Exercise stress test
- C. Coronary angiogram
- D. Transesophageal echocardiogram
Correct Answer: B
Rationale: Stress testing detects ischemia.
Which surgical procedure involves opening or replacing a narrowed or blocked heart valve?
- A. Valve replacement
- B. Angioplasty
- C. Stent placement
- D. Coronary bypass surgery
Correct Answer: A
Rationale: The correct answer is A: Valve replacement. This surgical procedure involves opening or replacing a narrowed or blocked heart valve. During valve replacement, a damaged valve is removed and replaced with a new one to restore normal blood flow. Angioplasty (B) involves opening blocked arteries, stent placement (C) involves inserting a mesh tube to keep arteries open, and coronary bypass surgery (D) involves rerouting blood flow around blocked coronary arteries. These procedures are not specifically related to treating narrowed or blocked heart valves, making them incorrect choices for this question.
The client is prescribed warfarin. What should the client be taught about this medication?
- A. Avoid foods high in vitamin K.
- B. Take the medication with food to prevent stomach upset.
- C. Take the medication at the same time every day.
- D. Increase the dose if a dose is missed.
Correct Answer: A
Rationale: The correct answer is A: Avoid foods high in vitamin K. Warfarin is an anticoagulant that works by decreasing the blood's ability to clot. Vitamin K is essential for blood clotting, so consuming foods high in vitamin K can interfere with the medication's effectiveness. It is important for the client to maintain a consistent intake of vitamin K to ensure the medication works properly. Choices B, C, and D are incorrect because taking warfarin with food, at the same time daily, or increasing the dose if a dose is missed can result in adverse effects or reduced effectiveness of the medication.